A new, easily generated mouse model of diabetic kidney fibrosis

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Abstract

Our understanding of diabetic kidney disease pathogenesis has been hampered by the lack of easily generated pre-clinical animal models that faithfully recapitulate critical features of human disease. While most standard animal models develop manifestations of early stage diabetic injury such as hyperfiltration and mesangial matrix expansion, only a select few develop key late stage features such as interstitial fibrosis and reduced glomerular filtration rate. An underlying theme in these late stage disease models has been the addition of renin-angiotensin system hyperactivation, an important contributor to human disease pathogenesis. Widespread use of these models has been limited, however, as they are either labour intensive to generate, or have been developed in the rat, preventing the use of the many powerful genetic tools developed for mice. Here we describe the Akita+/− Ren+/− mouse, a new, easily generated murine model of diabetic kidney disease that develops many features of late stage human injury, including not only hyperglycemia, hypertension, and albuminuria, but also reduced glomerular filtration rate, glomerulosclerosis, and interstitial fibrosis.

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He, X., Zhang, T., Tolosa, M., Goru, S. K., Chen, X., Misra, P. S., … Yuen, D. A. (2019). A new, easily generated mouse model of diabetic kidney fibrosis. Scientific Reports, 9(1). https://doi.org/10.1038/s41598-019-49012-4

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